Question

what is dependancy and its function what is functional dependcy​

Answer 1

Functional dependency is a relationship that exists when one attribute uniquely determines another attribute. ... Here X is a determinant set and Y is a dependent attribute. Each value of X is associated with precisely one Y value. Functional dependency in a database serves as a constraint between two sets of attributes.

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Answer 2

Functional dependency​ and its function

Explanation:

• The functional dependency is a correlation that survives between two characteristics.
• It typically survives between the fundamental key and non-key properties within a spreadsheet.
• The left view of functional dependency is recognized as a determinant, the right side of the creation is acknowledged as a dependent.

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